00:00
9
4
7
2
8
2
5
4
7
2
6
9
4
3
7
2
5
4
1
9
9
3
5
6
6
4
1
3
9
3
1
6
4
6
1
9
7
8
6
9
3
2024-11-04(Beginner) Puzzles
Learn number placement while solving
Use elimination to reduce candidate numbers.
Tips for Solving Sudoku
- Start with squares with fewer numbers: Begin with rows, columns, or blocks that already have more numbers filled; fewer candidates make it easier to solve.
- Pencil marks (notes): For beginners, write possible numbers in small font in empty squares for reference.
- Review: If stuck, check for duplicate numbers or rule violations.
- Basic rule: Do not repeat the same number in the same row, column, or 3x3 block.